Pressure transducers are generally available with three types of electrical output millivolt, amplified voltage and 4-20mA. The Electrical Output of Pressure Transducers
The strain will produce an electrical resistance change proportional to the pressure. Pressure applied to the pressure transducer produces a deflection of the diaphragm which introduces strain to the gages. The conversion of pressure into an electrical signal is achieved by the physical deformation of strain gages which are bonded into the diaphragm of the pressure transducer and wired into a wheatstone bridge configuration.
Although there are various types of pressure transducers, one of the most common is the strain-gage base transducer. A pressure transducer, often called a pressure transmitter, is a transducer that converts pressure into an analog electrical signal.
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